231 lines
7.2 KiB
C
231 lines
7.2 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright © 2014-2018 Broadcom
|
|
* Copyright © 2019 Collabora ltd.
|
|
*/
|
|
#ifndef _PANFROST_DRM_H_
|
|
#define _PANFROST_DRM_H_
|
|
|
|
#include "drm.h"
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define DRM_PANFROST_SUBMIT 0x00
|
|
#define DRM_PANFROST_WAIT_BO 0x01
|
|
#define DRM_PANFROST_CREATE_BO 0x02
|
|
#define DRM_PANFROST_MMAP_BO 0x03
|
|
#define DRM_PANFROST_GET_PARAM 0x04
|
|
#define DRM_PANFROST_GET_BO_OFFSET 0x05
|
|
#define DRM_PANFROST_PERFCNT_ENABLE 0x06
|
|
#define DRM_PANFROST_PERFCNT_DUMP 0x07
|
|
#define DRM_PANFROST_MADVISE 0x08
|
|
|
|
#define DRM_IOCTL_PANFROST_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_SUBMIT, struct drm_panfrost_submit)
|
|
#define DRM_IOCTL_PANFROST_WAIT_BO DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_WAIT_BO, struct drm_panfrost_wait_bo)
|
|
#define DRM_IOCTL_PANFROST_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_CREATE_BO, struct drm_panfrost_create_bo)
|
|
#define DRM_IOCTL_PANFROST_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MMAP_BO, struct drm_panfrost_mmap_bo)
|
|
#define DRM_IOCTL_PANFROST_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_PARAM, struct drm_panfrost_get_param)
|
|
#define DRM_IOCTL_PANFROST_GET_BO_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_BO_OFFSET, struct drm_panfrost_get_bo_offset)
|
|
#define DRM_IOCTL_PANFROST_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MADVISE, struct drm_panfrost_madvise)
|
|
|
|
/*
|
|
* Unstable ioctl(s): only exposed when the unsafe unstable_ioctls module
|
|
* param is set to true.
|
|
* All these ioctl(s) are subject to deprecation, so please don't rely on
|
|
* them for anything but debugging purpose.
|
|
*/
|
|
#define DRM_IOCTL_PANFROST_PERFCNT_ENABLE DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_PERFCNT_ENABLE, struct drm_panfrost_perfcnt_enable)
|
|
#define DRM_IOCTL_PANFROST_PERFCNT_DUMP DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_PERFCNT_DUMP, struct drm_panfrost_perfcnt_dump)
|
|
|
|
#define PANFROST_JD_REQ_FS (1 << 0)
|
|
/**
|
|
* struct drm_panfrost_submit - ioctl argument for submitting commands to the 3D
|
|
* engine.
|
|
*
|
|
* This asks the kernel to have the GPU execute a render command list.
|
|
*/
|
|
struct drm_panfrost_submit {
|
|
|
|
/** Address to GPU mapping of job descriptor */
|
|
__u64 jc;
|
|
|
|
/** An optional array of sync objects to wait on before starting this job. */
|
|
__u64 in_syncs;
|
|
|
|
/** Number of sync objects to wait on before starting this job. */
|
|
__u32 in_sync_count;
|
|
|
|
/** An optional sync object to place the completion fence in. */
|
|
__u32 out_sync;
|
|
|
|
/** Pointer to a u32 array of the BOs that are referenced by the job. */
|
|
__u64 bo_handles;
|
|
|
|
/** Number of BO handles passed in (size is that times 4). */
|
|
__u32 bo_handle_count;
|
|
|
|
/** A combination of PANFROST_JD_REQ_* */
|
|
__u32 requirements;
|
|
};
|
|
|
|
/**
|
|
* struct drm_panfrost_wait_bo - ioctl argument for waiting for
|
|
* completion of the last DRM_PANFROST_SUBMIT on a BO.
|
|
*
|
|
* This is useful for cases where multiple processes might be
|
|
* rendering to a BO and you want to wait for all rendering to be
|
|
* completed.
|
|
*/
|
|
struct drm_panfrost_wait_bo {
|
|
__u32 handle;
|
|
__u32 pad;
|
|
__s64 timeout_ns; /* absolute */
|
|
};
|
|
|
|
#define PANFROST_BO_NOEXEC 1
|
|
#define PANFROST_BO_HEAP 2
|
|
|
|
/**
|
|
* struct drm_panfrost_create_bo - ioctl argument for creating Panfrost BOs.
|
|
*
|
|
* There are currently no values for the flags argument, but it may be
|
|
* used in a future extension.
|
|
*/
|
|
struct drm_panfrost_create_bo {
|
|
__u32 size;
|
|
__u32 flags;
|
|
/** Returned GEM handle for the BO. */
|
|
__u32 handle;
|
|
/* Pad, must be zero-filled. */
|
|
__u32 pad;
|
|
/**
|
|
* Returned offset for the BO in the GPU address space. This offset
|
|
* is private to the DRM fd and is valid for the lifetime of the GEM
|
|
* handle.
|
|
*
|
|
* This offset value will always be nonzero, since various HW
|
|
* units treat 0 specially.
|
|
*/
|
|
__u64 offset;
|
|
};
|
|
|
|
/**
|
|
* struct drm_panfrost_mmap_bo - ioctl argument for mapping Panfrost BOs.
|
|
*
|
|
* This doesn't actually perform an mmap. Instead, it returns the
|
|
* offset you need to use in an mmap on the DRM device node. This
|
|
* means that tools like valgrind end up knowing about the mapped
|
|
* memory.
|
|
*
|
|
* There are currently no values for the flags argument, but it may be
|
|
* used in a future extension.
|
|
*/
|
|
struct drm_panfrost_mmap_bo {
|
|
/** Handle for the object being mapped. */
|
|
__u32 handle;
|
|
__u32 flags;
|
|
/** offset into the drm node to use for subsequent mmap call. */
|
|
__u64 offset;
|
|
};
|
|
|
|
enum drm_panfrost_param {
|
|
DRM_PANFROST_PARAM_GPU_PROD_ID,
|
|
DRM_PANFROST_PARAM_GPU_REVISION,
|
|
DRM_PANFROST_PARAM_SHADER_PRESENT,
|
|
DRM_PANFROST_PARAM_TILER_PRESENT,
|
|
DRM_PANFROST_PARAM_L2_PRESENT,
|
|
DRM_PANFROST_PARAM_STACK_PRESENT,
|
|
DRM_PANFROST_PARAM_AS_PRESENT,
|
|
DRM_PANFROST_PARAM_JS_PRESENT,
|
|
DRM_PANFROST_PARAM_L2_FEATURES,
|
|
DRM_PANFROST_PARAM_CORE_FEATURES,
|
|
DRM_PANFROST_PARAM_TILER_FEATURES,
|
|
DRM_PANFROST_PARAM_MEM_FEATURES,
|
|
DRM_PANFROST_PARAM_MMU_FEATURES,
|
|
DRM_PANFROST_PARAM_THREAD_FEATURES,
|
|
DRM_PANFROST_PARAM_MAX_THREADS,
|
|
DRM_PANFROST_PARAM_THREAD_MAX_WORKGROUP_SZ,
|
|
DRM_PANFROST_PARAM_THREAD_MAX_BARRIER_SZ,
|
|
DRM_PANFROST_PARAM_COHERENCY_FEATURES,
|
|
DRM_PANFROST_PARAM_TEXTURE_FEATURES0,
|
|
DRM_PANFROST_PARAM_TEXTURE_FEATURES1,
|
|
DRM_PANFROST_PARAM_TEXTURE_FEATURES2,
|
|
DRM_PANFROST_PARAM_TEXTURE_FEATURES3,
|
|
DRM_PANFROST_PARAM_JS_FEATURES0,
|
|
DRM_PANFROST_PARAM_JS_FEATURES1,
|
|
DRM_PANFROST_PARAM_JS_FEATURES2,
|
|
DRM_PANFROST_PARAM_JS_FEATURES3,
|
|
DRM_PANFROST_PARAM_JS_FEATURES4,
|
|
DRM_PANFROST_PARAM_JS_FEATURES5,
|
|
DRM_PANFROST_PARAM_JS_FEATURES6,
|
|
DRM_PANFROST_PARAM_JS_FEATURES7,
|
|
DRM_PANFROST_PARAM_JS_FEATURES8,
|
|
DRM_PANFROST_PARAM_JS_FEATURES9,
|
|
DRM_PANFROST_PARAM_JS_FEATURES10,
|
|
DRM_PANFROST_PARAM_JS_FEATURES11,
|
|
DRM_PANFROST_PARAM_JS_FEATURES12,
|
|
DRM_PANFROST_PARAM_JS_FEATURES13,
|
|
DRM_PANFROST_PARAM_JS_FEATURES14,
|
|
DRM_PANFROST_PARAM_JS_FEATURES15,
|
|
DRM_PANFROST_PARAM_NR_CORE_GROUPS,
|
|
DRM_PANFROST_PARAM_THREAD_TLS_ALLOC,
|
|
};
|
|
|
|
struct drm_panfrost_get_param {
|
|
__u32 param;
|
|
__u32 pad;
|
|
__u64 value;
|
|
};
|
|
|
|
/**
|
|
* Returns the offset for the BO in the GPU address space for this DRM fd.
|
|
* This is the same value returned by drm_panfrost_create_bo, if that was called
|
|
* from this DRM fd.
|
|
*/
|
|
struct drm_panfrost_get_bo_offset {
|
|
__u32 handle;
|
|
__u32 pad;
|
|
__u64 offset;
|
|
};
|
|
|
|
struct drm_panfrost_perfcnt_enable {
|
|
__u32 enable;
|
|
/*
|
|
* On bifrost we have 2 sets of counters, this parameter defines the
|
|
* one to track.
|
|
*/
|
|
__u32 counterset;
|
|
};
|
|
|
|
struct drm_panfrost_perfcnt_dump {
|
|
__u64 buf_ptr;
|
|
};
|
|
|
|
/* madvise provides a way to tell the kernel in case a buffers contents
|
|
* can be discarded under memory pressure, which is useful for userspace
|
|
* bo cache where we want to optimistically hold on to buffer allocate
|
|
* and potential mmap, but allow the pages to be discarded under memory
|
|
* pressure.
|
|
*
|
|
* Typical usage would involve madvise(DONTNEED) when buffer enters BO
|
|
* cache, and madvise(WILLNEED) if trying to recycle buffer from BO cache.
|
|
* In the WILLNEED case, 'retained' indicates to userspace whether the
|
|
* backing pages still exist.
|
|
*/
|
|
#define PANFROST_MADV_WILLNEED 0 /* backing pages are needed, status returned in 'retained' */
|
|
#define PANFROST_MADV_DONTNEED 1 /* backing pages not needed */
|
|
|
|
struct drm_panfrost_madvise {
|
|
__u32 handle; /* in, GEM handle */
|
|
__u32 madv; /* in, PANFROST_MADV_x */
|
|
__u32 retained; /* out, whether backing store still exists */
|
|
};
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* _PANFROST_DRM_H_ */
|